No, because the 4-stroke motorcycle engines do not operate under the same conditions as the engines of cars. Lubricants used for motorcycle engines can be used for transmission and the clutch. In the formulas of these oils EP-additives are used (for heavy loads and pressure). Car engine oils also contain detergent additives with a high content of sulphates which may lead engines in motorcycles to deposits on pistons and cams and their failure.
